the meaning behind Memories of You

I think the best way to describe the mood I was in for this one is bitter-sweet. I think we all at times think back about that person we were totally into, but who is no longer in our lives at all. And all we’ve got are those memories that are slowing fading away. We try to hold on to them, but time tends to erase a lot of things. But then, out of nowhere, the thoughts may come back really strong… And they can go away the same way they came…